You are attempting to create a one-way outgoing trust to an external domain that has resources in it that your domain's users will need to access. the authorized users will be able to access the resources without entering any additional credentials once they have successfully logged in to your domain. when you attempt to create the trust, it fails. you have verified that the domain controllers in the external domain are online. what is most likely the cause of this problem? a) you are not logged in as an enterprise adminb) your domain controllers cannot resolve the information for the external domain in dnsc) the external domain's domain controllers have the windows firewall runningd) the external domain's domain controllers have trusts disabled in group policy